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When n moles of an ideal gas is allowed to expand from an initial volume of 10 m3 at a constant temperature T the work done is equal to : - nRT ln 4
[a] What was the final volume of the gas? Show your work!
[b] Was the work done on or by the gas? Explain your answer.
A useful model of a water molecule is sketched in the figure below, with point charges of 5.2 10-20 C at the H sites, What is the total electric potential energy of this model of a water molecule
Displacement d1 is in the yz plane 58.4° from the positive direction of the y axis, has a positive z component of 5.99 m, find the angle between d1 and d2
Sketch and describe a floe control loop.
For a temperature increase of ?T1, a certain amount of an ideal gas requires 30 J when heated at constant volume, How much work is done by the gas in the second situation
Smoking causes blood vessels to constrict. If the average blood vessel radius of a smoker decreases 1.6% Calculate the needed percent increase in pressure
A person sitting at a desk which is 51.2 m east and 9.9 m north of the point mid-way between the alarms does not hear them when they sound. What is the lowest frequency that the alarms can be sounding
A 2 cm long section of the patellar ligament stretches to 2.002 cm when it is subjected to a tensile force of 10,000 N. What is the strain in this segment of ligament
Suppose a particle with mass m release from rest in a uniform gravity g. Suppose the drag force is proportional to speed square, find an expression that gives the relationship between velocity and time
A charge of 2.65mC is placed at each corner of a square 0.450m on a side, Determine the direction of the force on a charge
In a dentist's office an X-ray of a tooth is taken using X-rays that have a frequency of 7.60 × 1018 Hz. What is the wavelength in vacuum of these X-rays
An air-filled toroidal solenoid has a mean radius of 15.0 and a cross-sectional area of 5.02, What is the least number of turns that the winding must have
An x-ray photon with wavelength 5.0 pm collides with a free electron initially at rest. find the maximum possible kinetic energy acquired by the electron
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